+1 Andrew Purtell <[email protected]> 于2020年1月29日周三 上午9:56写道：
> +1 > > > On Tue, Jan 28, 2020 at 5:48 PM Sean Busbey <[email protected]> wrote: > > > A feature branch sounds appropriate. If there are no objections I can > push > > the needed branch for you to target PRs to. > > > > On Tue, Jan 28, 2020, 15:40 Wei-Chiu Chuang <[email protected]> wrote: > > > > > Hi! > > > > > > I spent the past week working on HBASE-22120 > > > <https://issues.apache.org/jira/browse/HBASE-22120> (Replace HTrace > with > > > OpenTracing). I planned to do this awhile back and am pleased to > finally > > > carved out some time to dedicate to this project. > > > > > > Here's a scope doc that describes what I plan to do and milestones. > > > > > > > > > https://docs.google.com/document/d/1Q1zQKzxxymE4vcOBYElkQopmh2QvvYRBlnDqMEBPsB0/edit?usp=sharing > > > > > > I now have a proof of concept that: > > > (1) replaced every Java HTrace code with OpenTracing/JaegerTracing. > > > (2) fixed the trace propagation bug introduced in HBASE-18601 when it > > > attempted to update from HTrace 3 to HTrace 4. > > > (2) TestOpenTracingHooks (which is modified from TestHTraceHooks) > passes, > > > so that means at the very least, create table operation works. > > > > > > Tasks remain to be done: > > > (1) more tests to make sure other existing traces works > > > (2) migrate HBase shell (in Ruby) and scripts to use OpenTracing > > > (3) update docs > > > (4) make it easier to support other OpenTracing tracers. > > > (5) propagate the traces to other systems such as HDFS and MapReduce. > > > > > > Now, this work is going to span a few jiras and it touches pretty much > > > every part of HBase. Would it make sense to do it in a feature branch? > > > Thoughts? > > > > > > Weichiu > > > > > > > > -- > Best regards, > Andrew > > Words like orphans lost among the crosstalk, meaning torn from truth's > decrepit hands > - A23, Crosstalk >
